patch 8.0.0693: no terminal emulator support
Problem: No terminal emulator support. Cannot properly run commands in the
GUI. Cannot run a job interactively with an ssh connection.
Solution: Very early implementation of the :terminal command. Includes
libvterm converted to ANSI C. Many parts still missing.
diff --git a/src/libvterm/t/25state_input.test b/src/libvterm/t/25state_input.test
new file mode 100644
index 0000000..d54de83
--- /dev/null
+++ b/src/libvterm/t/25state_input.test
@@ -0,0 +1,132 @@
+INIT
+WANTSTATE
+
+!Unmodified ASCII
+INCHAR 0 41
+ output "A"
+INCHAR 0 61
+ output "a"
+
+!Ctrl modifier on ASCII letters
+INCHAR C 41
+ output "\e[65;5u"
+INCHAR C 61
+ output "\x01"
+
+!Alt modifier on ASCII letters
+INCHAR A 41
+ output "\eA"
+INCHAR A 61
+ output "\ea"
+
+!Ctrl-Alt modifier on ASCII letters
+INCHAR CA 41
+ output "\e[65;7u"
+INCHAR CA 61
+ output "\e\x01"
+
+!Special handling of Ctrl-I
+INCHAR 0 49
+ output "I"
+INCHAR 0 69
+ output "i"
+INCHAR C 49
+ output "\e[73;5u"
+INCHAR C 69
+ output "\e[105;5u"
+INCHAR A 49
+ output "\eI"
+INCHAR A 69
+ output "\ei"
+INCHAR CA 49
+ output "\e[73;7u"
+INCHAR CA 69
+ output "\e[105;7u"
+
+!Special handling of Space
+INCHAR 0 20
+ output " "
+INCHAR S 20
+ output "\e[32;2u"
+INCHAR C 20
+ output "\0"
+INCHAR SC 20
+ output "\e[32;6u"
+INCHAR A 20
+ output "\e "
+INCHAR SA 20
+ output "\e[32;4u"
+INCHAR CA 20
+ output "\e\0"
+INCHAR SCA 20
+ output "\e[32;8u"
+
+!Cursor keys in reset (cursor) mode
+INKEY 0 Up
+ output "\e[A"
+INKEY S Up
+ output "\e[1;2A"
+INKEY C Up
+ output "\e[1;5A"
+INKEY SC Up
+ output "\e[1;6A"
+INKEY A Up
+ output "\e[1;3A"
+INKEY SA Up
+ output "\e[1;4A"
+INKEY CA Up
+ output "\e[1;7A"
+INKEY SCA Up
+ output "\e[1;8A"
+
+!Cursor keys in application mode
+PUSH "\e[?1h"
+# Plain "Up" should be SS3 A now
+INKEY 0 Up
+ output "\eOA"
+# Modified keys should still use CSI
+INKEY S Up
+ output "\e[1;2A"
+INKEY C Up
+ output "\e[1;5A"
+
+!Shift-Tab should be different
+INKEY 0 Tab
+ output "\x09"
+INKEY S Tab
+ output "\e[Z"
+INKEY C Tab
+ output "\e[9;5u"
+INKEY A Tab
+ output "\e\x09"
+INKEY CA Tab
+ output "\e[9;7u"
+
+!Enter in linefeed mode
+INKEY 0 Enter
+ output "\x0d"
+
+!Enter in newline mode
+PUSH "\e[20h"
+INKEY 0 Enter
+ output "\x0d\x0a"
+
+!Keypad in DECKPNM
+INKEY 0 KP0
+ output "0"
+
+!Keypad in DECKPAM
+PUSH "\e="
+INKEY 0 KP0
+ output "\eOp"
+
+!Bracketed paste mode off
+PASTE START
+PASTE END
+
+!Bracketed paste mode on
+PUSH "\e[?2004h"
+PASTE START
+ output "\e[200~"
+PASTE END
+ output "\e[201~"